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Your search returned 86 patents.
( 704/242 in Current US Classification )
1
Patent IDTitleDate Filed
5765124 Time-varying feature space preprocessing procedure for telephone based speech recognition December 29, 1995
5764851 Fast speech recognition method for mandarin words July 24, 1996
5752001 Method and apparatus employing Viterbi scoring using SIMD instructions for data recognition June 1, 1995
5749070 Multi-representational data structure for recognition in computer systems April 4, 1997
5706397 Speech recognition system with multi-level pruning for acoustic matching October 5, 1995
5677990 System and method using N-best strategy for real time recognition of continuously spelled names May 5, 1995
5664059 Self-learning speaker adaptation based on spectral variation source decomposition September 16, 1996
5659659 Speech compressor using trellis encoding and linear prediction June 18, 1996
5625749 Segment-based apparatus and method for speech recognition by analyzing multiple speech unit frames and modeling both temporal and spatial correlation August 22, 1994
5615299 Speech recognition using dynamic features June 20, 1994
5583961 Speaker recognition using spectral coefficients normalized with respect to unequal frequency bands August 13, 1993
5577162 Dynamic programming matching system for speech recognition October 11, 1994
5566270 Speaker independent isolated word recognition system using neural networks May 5, 1994
5555344 Method for recognizing patterns in time-variant measurement signals March 18, 1994
5548684 Artificial neural network viterbi decoding system and method April 22, 1994
5515475 Speech recognition method using a two-pass search June 24, 1993
5455889 Labelling speech using context-dependent acoustic prototypes February 8, 1993
5388183 Speech recognition providing multiple outputs September 30, 1991
5255343 Method for detecting and masking bad frames in coded speech signals June 26, 1992
5195167 Apparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognition April 17, 1992
5073940 Method for protecting multi-pulse coders from fading and random pattern bit errors November 24, 1989
4972485 Speaker-trained speech recognizer having the capability of detecting confusingly similar vocabulary words May 23, 1989
4829575 Apparatus and methods for analyzing transitions in finite state machines November 12, 1986
4819271 Constructing Markov model word baseforms from multiple utterances by concatenating model sequences for word segments December 16, 1987
4759068 Constructing Markov models of words from multiple utterances May 29, 1985
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